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<pre><span class="sourceLineNo">001</span>package com.github.sarxos.webcam;<a name="line.1"></a>
<span class="sourceLineNo">002</span><a name="line.2"></a>
<span class="sourceLineNo">003</span>import static java.awt.RenderingHints.KEY_ANTIALIASING;<a name="line.3"></a>
<span class="sourceLineNo">004</span>import static java.awt.RenderingHints.KEY_INTERPOLATION;<a name="line.4"></a>
<span class="sourceLineNo">005</span>import static java.awt.RenderingHints.KEY_RENDERING;<a name="line.5"></a>
<span class="sourceLineNo">006</span>import static java.awt.RenderingHints.VALUE_ANTIALIAS_OFF;<a name="line.6"></a>
<span class="sourceLineNo">007</span>import static java.awt.RenderingHints.VALUE_ANTIALIAS_ON;<a name="line.7"></a>
<span class="sourceLineNo">008</span>import static java.awt.RenderingHints.VALUE_INTERPOLATION_BILINEAR;<a name="line.8"></a>
<span class="sourceLineNo">009</span>import static java.awt.RenderingHints.VALUE_RENDER_SPEED;<a name="line.9"></a>
<span class="sourceLineNo">010</span><a name="line.10"></a>
<span class="sourceLineNo">011</span>import java.awt.AlphaComposite;<a name="line.11"></a>
<span class="sourceLineNo">012</span>import java.awt.BasicStroke;<a name="line.12"></a>
<span class="sourceLineNo">013</span>import java.awt.Color;<a name="line.13"></a>
<span class="sourceLineNo">014</span>import java.awt.Dimension;<a name="line.14"></a>
<span class="sourceLineNo">015</span>import java.awt.FontMetrics;<a name="line.15"></a>
<span class="sourceLineNo">016</span>import java.awt.Graphics;<a name="line.16"></a>
<span class="sourceLineNo">017</span>import java.awt.Graphics2D;<a name="line.17"></a>
<span class="sourceLineNo">018</span>import java.awt.GraphicsConfiguration;<a name="line.18"></a>
<span class="sourceLineNo">019</span>import java.awt.GraphicsEnvironment;<a name="line.19"></a>
<span class="sourceLineNo">020</span>import java.awt.RenderingHints;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import java.awt.image.BufferedImage;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import java.beans.PropertyChangeEvent;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import java.beans.PropertyChangeListener;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.util.HashMap;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.util.Locale;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.util.Map;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.util.ResourceBundle;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import java.util.concurrent.Executors;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import java.util.concurrent.RejectedExecutionException;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import java.util.concurrent.ScheduledExecutorService;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import java.util.concurrent.ThreadFactory;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import java.util.concurrent.TimeUnit;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import java.util.concurrent.atomic.AtomicInteger;<a name="line.34"></a>
<span class="sourceLineNo">035</span><a name="line.35"></a>
<span class="sourceLineNo">036</span>import javax.swing.JPanel;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import javax.swing.SwingUtilities;<a name="line.37"></a>
<span class="sourceLineNo">038</span><a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.slf4j.Logger;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.slf4j.LoggerFactory;<a name="line.40"></a>
<span class="sourceLineNo">041</span><a name="line.41"></a>
<span class="sourceLineNo">042</span><a name="line.42"></a>
<span class="sourceLineNo">043</span>/**<a name="line.43"></a>
<span class="sourceLineNo">044</span> * Simply implementation of JPanel allowing users to render pictures taken with webcam.<a name="line.44"></a>
<span class="sourceLineNo">045</span> *<a name="line.45"></a>
<span class="sourceLineNo">046</span> * @author Bartosz Firyn (SarXos)<a name="line.46"></a>
<span class="sourceLineNo">047</span> */<a name="line.47"></a>
<span class="sourceLineNo">048</span>public class WebcamPanel extends JPanel implements WebcamListener, PropertyChangeListener {<a name="line.48"></a>
<span class="sourceLineNo">049</span><a name="line.49"></a>
<span class="sourceLineNo">050</span>        /**<a name="line.50"></a>
<span class="sourceLineNo">051</span>         * This enum is to control of how image will be drawn in the panel bounds.<a name="line.51"></a>
<span class="sourceLineNo">052</span>         *<a name="line.52"></a>
<span class="sourceLineNo">053</span>         * @author Sylwia Kauczor<a name="line.53"></a>
<span class="sourceLineNo">054</span>         */<a name="line.54"></a>
<span class="sourceLineNo">055</span>        public static enum DrawMode {<a name="line.55"></a>
<span class="sourceLineNo">056</span><a name="line.56"></a>
<span class="sourceLineNo">057</span>                /**<a name="line.57"></a>
<span class="sourceLineNo">058</span>                 * Do not resize image - paint it as it is. This will make the image to go off out the<a name="line.58"></a>
<span class="sourceLineNo">059</span>                 * bounds if panel is smaller than image size.<a name="line.59"></a>
<span class="sourceLineNo">060</span>                 */<a name="line.60"></a>
<span class="sourceLineNo">061</span>                NONE,<a name="line.61"></a>
<span class="sourceLineNo">062</span><a name="line.62"></a>
<span class="sourceLineNo">063</span>                /**<a name="line.63"></a>
<span class="sourceLineNo">064</span>                 * Will resize image to the panel bounds. This mode does not care of the image scale, so the<a name="line.64"></a>
<span class="sourceLineNo">065</span>                 * final image may be disrupted.<a name="line.65"></a>
<span class="sourceLineNo">066</span>                 */<a name="line.66"></a>
<span class="sourceLineNo">067</span>                FILL,<a name="line.67"></a>
<span class="sourceLineNo">068</span><a name="line.68"></a>
<span class="sourceLineNo">069</span>                /**<a name="line.69"></a>
<span class="sourceLineNo">070</span>                 * Will fir image into the panel bounds. This will resize the image and keep both x and y<a name="line.70"></a>
<span class="sourceLineNo">071</span>                 * scale factor.<a name="line.71"></a>
<span class="sourceLineNo">072</span>                 */<a name="line.72"></a>
<span class="sourceLineNo">073</span>                FIT,<a name="line.73"></a>
<span class="sourceLineNo">074</span>        }<a name="line.74"></a>
<span class="sourceLineNo">075</span><a name="line.75"></a>
<span class="sourceLineNo">076</span>        /**<a name="line.76"></a>
<span class="sourceLineNo">077</span>         * Interface of the painter used to draw image in panel.<a name="line.77"></a>
<span class="sourceLineNo">078</span>         *<a name="line.78"></a>
<span class="sourceLineNo">079</span>         * @author Bartosz Firyn (SarXos)<a name="line.79"></a>
<span class="sourceLineNo">080</span>         */<a name="line.80"></a>
<span class="sourceLineNo">081</span>        public static interface Painter {<a name="line.81"></a>
<span class="sourceLineNo">082</span><a name="line.82"></a>
<span class="sourceLineNo">083</span>                /**<a name="line.83"></a>
<span class="sourceLineNo">084</span>                 * Paint panel without image.<a name="line.84"></a>
<span class="sourceLineNo">085</span>                 *<a name="line.85"></a>
<span class="sourceLineNo">086</span>                 * @param panel the webcam panel to paint on<a name="line.86"></a>
<span class="sourceLineNo">087</span>                 * @param g2 the graphics 2D object used for drawing<a name="line.87"></a>
<span class="sourceLineNo">088</span>                 */<a name="line.88"></a>
<span class="sourceLineNo">089</span>                void paintPanel(WebcamPanel panel, Graphics2D g2);<a name="line.89"></a>
<span class="sourceLineNo">090</span><a name="line.90"></a>
<span class="sourceLineNo">091</span>                /**<a name="line.91"></a>
<span class="sourceLineNo">092</span>                 * Paint webcam image in panel.<a name="line.92"></a>
<span class="sourceLineNo">093</span>                 *<a name="line.93"></a>
<span class="sourceLineNo">094</span>                 * @param panel the webcam panel to paint on<a name="line.94"></a>
<span class="sourceLineNo">095</span>                 * @param image the image from webcam<a name="line.95"></a>
<span class="sourceLineNo">096</span>                 * @param g2 the graphics 2D object used for drawing<a name="line.96"></a>
<span class="sourceLineNo">097</span>                 */<a name="line.97"></a>
<span class="sourceLineNo">098</span>                void paintImage(WebcamPanel panel, BufferedImage image, Graphics2D g2);<a name="line.98"></a>
<span class="sourceLineNo">099</span>        }<a name="line.99"></a>
<span class="sourceLineNo">100</span><a name="line.100"></a>
<span class="sourceLineNo">101</span>        /**<a name="line.101"></a>
<span class="sourceLineNo">102</span>         * Default painter used to draw image in panel.<a name="line.102"></a>
<span class="sourceLineNo">103</span>         *<a name="line.103"></a>
<span class="sourceLineNo">104</span>         * @author Bartosz Firyn (SarXos)<a name="line.104"></a>
<span class="sourceLineNo">105</span>         * @author Sylwia Kauczor<a name="line.105"></a>
<span class="sourceLineNo">106</span>         */<a name="line.106"></a>
<span class="sourceLineNo">107</span>        public class DefaultPainter implements Painter {<a name="line.107"></a>
<span class="sourceLineNo">108</span><a name="line.108"></a>
<span class="sourceLineNo">109</span>                /**<a name="line.109"></a>
<span class="sourceLineNo">110</span>                 * Webcam device name.<a name="line.110"></a>
<span class="sourceLineNo">111</span>                 */<a name="line.111"></a>
<span class="sourceLineNo">112</span>                private String name = null;<a name="line.112"></a>
<span class="sourceLineNo">113</span><a name="line.113"></a>
<span class="sourceLineNo">114</span>                /**<a name="line.114"></a>
<span class="sourceLineNo">115</span>                 * Lat repaint time, uset for debug purpose.<a name="line.115"></a>
<span class="sourceLineNo">116</span>                 */<a name="line.116"></a>
<span class="sourceLineNo">117</span>                private long lastRepaintTime = -1;<a name="line.117"></a>
<span class="sourceLineNo">118</span><a name="line.118"></a>
<span class="sourceLineNo">119</span>                /**<a name="line.119"></a>
<span class="sourceLineNo">120</span>                 * Buffered image resized to fit into panel drawing area.<a name="line.120"></a>
<span class="sourceLineNo">121</span>                 */<a name="line.121"></a>
<span class="sourceLineNo">122</span>                private BufferedImage resizedImage = null;<a name="line.122"></a>
<span class="sourceLineNo">123</span><a name="line.123"></a>
<span class="sourceLineNo">124</span>                @Override<a name="line.124"></a>
<span class="sourceLineNo">125</span>                public void paintPanel(WebcamPanel owner, Graphics2D g2) {<a name="line.125"></a>
<span class="sourceLineNo">126</span><a name="line.126"></a>
<span class="sourceLineNo">127</span>                        assert owner != null;<a name="line.127"></a>
<span class="sourceLineNo">128</span>                        assert g2 != null;<a name="line.128"></a>
<span class="sourceLineNo">129</span><a name="line.129"></a>
<span class="sourceLineNo">130</span>                        Object antialiasing = g2.getRenderingHint(KEY_ANTIALIASING);<a name="line.130"></a>
<span class="sourceLineNo">131</span><a name="line.131"></a>
<span class="sourceLineNo">132</span>                        g2.setRenderingHint(KEY_ANTIALIASING, isAntialiasingEnabled() ? VALUE_ANTIALIAS_ON : VALUE_ANTIALIAS_OFF);<a name="line.132"></a>
<span class="sourceLineNo">133</span>                        g2.setBackground(Color.BLACK);<a name="line.133"></a>
<span class="sourceLineNo">134</span>                        g2.fillRect(0, 0, getWidth(), getHeight());<a name="line.134"></a>
<span class="sourceLineNo">135</span><a name="line.135"></a>
<span class="sourceLineNo">136</span>                        int cx = (getWidth() - 70) / 2;<a name="line.136"></a>
<span class="sourceLineNo">137</span>                        int cy = (getHeight() - 40) / 2;<a name="line.137"></a>
<span class="sourceLineNo">138</span><a name="line.138"></a>
<span class="sourceLineNo">139</span>                        g2.setStroke(new BasicStroke(2));<a name="line.139"></a>
<span class="sourceLineNo">140</span>                        g2.setColor(Color.LIGHT_GRAY);<a name="line.140"></a>
<span class="sourceLineNo">141</span>                        g2.fillRoundRect(cx, cy, 70, 40, 10, 10);<a name="line.141"></a>
<span class="sourceLineNo">142</span>                        g2.setColor(Color.WHITE);<a name="line.142"></a>
<span class="sourceLineNo">143</span>                        g2.fillOval(cx + 5, cy + 5, 30, 30);<a name="line.143"></a>
<span class="sourceLineNo">144</span>                        g2.setColor(Color.LIGHT_GRAY);<a name="line.144"></a>
<span class="sourceLineNo">145</span>                        g2.fillOval(cx + 10, cy + 10, 20, 20);<a name="line.145"></a>
<span class="sourceLineNo">146</span>                        g2.setColor(Color.WHITE);<a name="line.146"></a>
<span class="sourceLineNo">147</span>                        g2.fillOval(cx + 12, cy + 12, 16, 16);<a name="line.147"></a>
<span class="sourceLineNo">148</span>                        g2.fillRoundRect(cx + 50, cy + 5, 15, 10, 5, 5);<a name="line.148"></a>
<span class="sourceLineNo">149</span>                        g2.fillRect(cx + 63, cy + 25, 7, 2);<a name="line.149"></a>
<span class="sourceLineNo">150</span>                        g2.fillRect(cx + 63, cy + 28, 7, 2);<a name="line.150"></a>
<span class="sourceLineNo">151</span>                        g2.fillRect(cx + 63, cy + 31, 7, 2);<a name="line.151"></a>
<span class="sourceLineNo">152</span><a name="line.152"></a>
<span class="sourceLineNo">153</span>                        g2.setColor(Color.DARK_GRAY);<a name="line.153"></a>
<span class="sourceLineNo">154</span>                        g2.setStroke(new BasicStroke(3));<a name="line.154"></a>
<span class="sourceLineNo">155</span>                        g2.drawLine(0, 0, getWidth(), getHeight());<a name="line.155"></a>
<span class="sourceLineNo">156</span>                        g2.drawLine(0, getHeight(), getWidth(), 0);<a name="line.156"></a>
<span class="sourceLineNo">157</span><a name="line.157"></a>
<span class="sourceLineNo">158</span>                        String str = null;<a name="line.158"></a>
<span class="sourceLineNo">159</span><a name="line.159"></a>
<span class="sourceLineNo">160</span>                        final String strInitDevice = rb.getString("INITIALIZING_DEVICE");<a name="line.160"></a>
<span class="sourceLineNo">161</span>                        final String strNoImage = rb.getString("NO_IMAGE");<a name="line.161"></a>
<span class="sourceLineNo">162</span>                        final String strDeviceError = rb.getString("DEVICE_ERROR");<a name="line.162"></a>
<span class="sourceLineNo">163</span><a name="line.163"></a>
<span class="sourceLineNo">164</span>                        if (!errored) {<a name="line.164"></a>
<span class="sourceLineNo">165</span>                                str = starting ? strInitDevice : strNoImage;<a name="line.165"></a>
<span class="sourceLineNo">166</span>                        } else {<a name="line.166"></a>
<span class="sourceLineNo">167</span>                                str = strDeviceError;<a name="line.167"></a>
<span class="sourceLineNo">168</span>                        }<a name="line.168"></a>
<span class="sourceLineNo">169</span><a name="line.169"></a>
<span class="sourceLineNo">170</span>                        FontMetrics metrics = g2.getFontMetrics(getFont());<a name="line.170"></a>
<span class="sourceLineNo">171</span>                        int w = metrics.stringWidth(str);<a name="line.171"></a>
<span class="sourceLineNo">172</span>                        int h = metrics.getHeight();<a name="line.172"></a>
<span class="sourceLineNo">173</span><a name="line.173"></a>
<span class="sourceLineNo">174</span>                        int x = (getWidth() - w) / 2;<a name="line.174"></a>
<span class="sourceLineNo">175</span>                        int y = cy - h;<a name="line.175"></a>
<span class="sourceLineNo">176</span><a name="line.176"></a>
<span class="sourceLineNo">177</span>                        g2.setFont(getFont());<a name="line.177"></a>
<span class="sourceLineNo">178</span>                        g2.setColor(Color.WHITE);<a name="line.178"></a>
<span class="sourceLineNo">179</span>                        g2.drawString(str, x, y);<a name="line.179"></a>
<span class="sourceLineNo">180</span><a name="line.180"></a>
<span class="sourceLineNo">181</span>                        if (name == null) {<a name="line.181"></a>
<span class="sourceLineNo">182</span>                                name = webcam.getName();<a name="line.182"></a>
<span class="sourceLineNo">183</span>                        }<a name="line.183"></a>
<span class="sourceLineNo">184</span><a name="line.184"></a>
<span class="sourceLineNo">185</span>                        str = name;<a name="line.185"></a>
<span class="sourceLineNo">186</span><a name="line.186"></a>
<span class="sourceLineNo">187</span>                        w = metrics.stringWidth(str);<a name="line.187"></a>
<span class="sourceLineNo">188</span>                        h = metrics.getHeight();<a name="line.188"></a>
<span class="sourceLineNo">189</span><a name="line.189"></a>
<span class="sourceLineNo">190</span>                        g2.drawString(str, (getWidth() - w) / 2, cy - 2 * h);<a name="line.190"></a>
<span class="sourceLineNo">191</span>                        g2.setRenderingHint(KEY_ANTIALIASING, antialiasing);<a name="line.191"></a>
<span class="sourceLineNo">192</span>                }<a name="line.192"></a>
<span class="sourceLineNo">193</span><a name="line.193"></a>
<span class="sourceLineNo">194</span>                @Override<a name="line.194"></a>
<span class="sourceLineNo">195</span>                public void paintImage(WebcamPanel owner, BufferedImage image, Graphics2D g2) {<a name="line.195"></a>
<span class="sourceLineNo">196</span><a name="line.196"></a>
<span class="sourceLineNo">197</span>                        assert owner != null;<a name="line.197"></a>
<span class="sourceLineNo">198</span>                        assert image != null;<a name="line.198"></a>
<span class="sourceLineNo">199</span>                        assert g2 != null;<a name="line.199"></a>
<span class="sourceLineNo">200</span><a name="line.200"></a>
<span class="sourceLineNo">201</span>                        int pw = getWidth();<a name="line.201"></a>
<span class="sourceLineNo">202</span>                        int ph = getHeight();<a name="line.202"></a>
<span class="sourceLineNo">203</span>                        int iw = image.getWidth();<a name="line.203"></a>
<span class="sourceLineNo">204</span>                        int ih = image.getHeight();<a name="line.204"></a>
<span class="sourceLineNo">205</span><a name="line.205"></a>
<span class="sourceLineNo">206</span>                        Object antialiasing = g2.getRenderingHint(KEY_ANTIALIASING);<a name="line.206"></a>
<span class="sourceLineNo">207</span>                        Object rendering = g2.getRenderingHint(KEY_RENDERING);<a name="line.207"></a>
<span class="sourceLineNo">208</span><a name="line.208"></a>
<span class="sourceLineNo">209</span>                        g2.setRenderingHint(KEY_ANTIALIASING, VALUE_ANTIALIAS_OFF);<a name="line.209"></a>
<span class="sourceLineNo">210</span>                        g2.setRenderingHint(KEY_RENDERING, VALUE_RENDER_SPEED);<a name="line.210"></a>
<span class="sourceLineNo">211</span>                        g2.setBackground(Color.BLACK);<a name="line.211"></a>
<span class="sourceLineNo">212</span>                        g2.setColor(Color.BLACK);<a name="line.212"></a>
<span class="sourceLineNo">213</span>                        g2.fillRect(0, 0, pw, ph);<a name="line.213"></a>
<span class="sourceLineNo">214</span><a name="line.214"></a>
<span class="sourceLineNo">215</span>                        // resized image position and size<a name="line.215"></a>
<span class="sourceLineNo">216</span>                        int x = 0;<a name="line.216"></a>
<span class="sourceLineNo">217</span>                        int y = 0;<a name="line.217"></a>
<span class="sourceLineNo">218</span>                        int w = 0;<a name="line.218"></a>
<span class="sourceLineNo">219</span>                        int h = 0;<a name="line.219"></a>
<span class="sourceLineNo">220</span><a name="line.220"></a>
<span class="sourceLineNo">221</span>                        switch (drawMode) {<a name="line.221"></a>
<span class="sourceLineNo">222</span>                                case NONE:<a name="line.222"></a>
<span class="sourceLineNo">223</span>                                        w = image.getWidth();<a name="line.223"></a>
<span class="sourceLineNo">224</span>                                        h = image.getHeight();<a name="line.224"></a>
<span class="sourceLineNo">225</span>                                        break;<a name="line.225"></a>
<span class="sourceLineNo">226</span>                                case FILL:<a name="line.226"></a>
<span class="sourceLineNo">227</span>                                        w = pw;<a name="line.227"></a>
<span class="sourceLineNo">228</span>                                        h = ph;<a name="line.228"></a>
<span class="sourceLineNo">229</span>                                        break;<a name="line.229"></a>
<span class="sourceLineNo">230</span>                                case FIT:<a name="line.230"></a>
<span class="sourceLineNo">231</span>                                        double s = Math.max((double) iw / pw, (double) ih / ph);<a name="line.231"></a>
<span class="sourceLineNo">232</span>                                        double niw = iw / s;<a name="line.232"></a>
<span class="sourceLineNo">233</span>                                        double nih = ih / s;<a name="line.233"></a>
<span class="sourceLineNo">234</span>                                        double dx = (pw - niw) / 2;<a name="line.234"></a>
<span class="sourceLineNo">235</span>                                        double dy = (ph - nih) / 2;<a name="line.235"></a>
<span class="sourceLineNo">236</span>                                        w = (int) niw;<a name="line.236"></a>
<span class="sourceLineNo">237</span>                                        h = (int) nih;<a name="line.237"></a>
<span class="sourceLineNo">238</span>                                        x = (int) dx;<a name="line.238"></a>
<span class="sourceLineNo">239</span>                                        y = (int) dy;<a name="line.239"></a>
<span class="sourceLineNo">240</span>                                        break;<a name="line.240"></a>
<span class="sourceLineNo">241</span>                        }<a name="line.241"></a>
<span class="sourceLineNo">242</span><a name="line.242"></a>
<span class="sourceLineNo">243</span>                        if (resizedImage != null) {<a name="line.243"></a>
<span class="sourceLineNo">244</span>                                resizedImage.flush();<a name="line.244"></a>
<span class="sourceLineNo">245</span>                        }<a name="line.245"></a>
<span class="sourceLineNo">246</span><a name="line.246"></a>
<span class="sourceLineNo">247</span>                        if (w == image.getWidth() &amp;&amp; h == image.getHeight() &amp;&amp; !mirrored) {<a name="line.247"></a>
<span class="sourceLineNo">248</span>                                resizedImage = image;<a name="line.248"></a>
<span class="sourceLineNo">249</span>                        } else {<a name="line.249"></a>
<span class="sourceLineNo">250</span><a name="line.250"></a>
<span class="sourceLineNo">251</span>                                GraphicsEnvironment genv = GraphicsEnvironment.getLocalGraphicsEnvironment();<a name="line.251"></a>
<span class="sourceLineNo">252</span>                                GraphicsConfiguration gc = genv.getDefaultScreenDevice().getDefaultConfiguration();<a name="line.252"></a>
<span class="sourceLineNo">253</span><a name="line.253"></a>
<span class="sourceLineNo">254</span>                                Graphics2D gr = null;<a name="line.254"></a>
<span class="sourceLineNo">255</span>                                try {<a name="line.255"></a>
<span class="sourceLineNo">256</span><a name="line.256"></a>
<span class="sourceLineNo">257</span>                                        resizedImage = gc.createCompatibleImage(pw, ph);<a name="line.257"></a>
<span class="sourceLineNo">258</span>                                        gr = resizedImage.createGraphics();<a name="line.258"></a>
<span class="sourceLineNo">259</span>                                        gr.setComposite(AlphaComposite.Src);<a name="line.259"></a>
<span class="sourceLineNo">260</span><a name="line.260"></a>
<span class="sourceLineNo">261</span>                                        for (Map.Entry&lt;RenderingHints.Key, Object&gt; hint : imageRenderingHints.entrySet()) {<a name="line.261"></a>
<span class="sourceLineNo">262</span>                                                gr.setRenderingHint(hint.getKey(), hint.getValue());<a name="line.262"></a>
<span class="sourceLineNo">263</span>                                        }<a name="line.263"></a>
<span class="sourceLineNo">264</span><a name="line.264"></a>
<span class="sourceLineNo">265</span>                                        gr.setBackground(Color.BLACK);<a name="line.265"></a>
<span class="sourceLineNo">266</span>                                        gr.setColor(Color.BLACK);<a name="line.266"></a>
<span class="sourceLineNo">267</span>                                        gr.fillRect(0, 0, pw, ph);<a name="line.267"></a>
<span class="sourceLineNo">268</span><a name="line.268"></a>
<span class="sourceLineNo">269</span>                                        int sx1, sx2, sy1, sy2; // source rectangle coordinates<a name="line.269"></a>
<span class="sourceLineNo">270</span>                                        int dx1, dx2, dy1, dy2; // destination rectangle coordinates<a name="line.270"></a>
<span class="sourceLineNo">271</span><a name="line.271"></a>
<span class="sourceLineNo">272</span>                                        dx1 = x;<a name="line.272"></a>
<span class="sourceLineNo">273</span>                                        dy1 = y;<a name="line.273"></a>
<span class="sourceLineNo">274</span>                                        dx2 = x + w;<a name="line.274"></a>
<span class="sourceLineNo">275</span>                                        dy2 = y + h;<a name="line.275"></a>
<span class="sourceLineNo">276</span><a name="line.276"></a>
<span class="sourceLineNo">277</span>                                        if (mirrored) {<a name="line.277"></a>
<span class="sourceLineNo">278</span>                                                sx1 = iw;<a name="line.278"></a>
<span class="sourceLineNo">279</span>                                                sy1 = 0;<a name="line.279"></a>
<span class="sourceLineNo">280</span>                                                sx2 = 0;<a name="line.280"></a>
<span class="sourceLineNo">281</span>                                                sy2 = ih;<a name="line.281"></a>
<span class="sourceLineNo">282</span>                                        } else {<a name="line.282"></a>
<span class="sourceLineNo">283</span>                                                sx1 = 0;<a name="line.283"></a>
<span class="sourceLineNo">284</span>                                                sy1 = 0;<a name="line.284"></a>
<span class="sourceLineNo">285</span>                                                sx2 = iw;<a name="line.285"></a>
<span class="sourceLineNo">286</span>                                                sy2 = ih;<a name="line.286"></a>
<span class="sourceLineNo">287</span>                                        }<a name="line.287"></a>
<span class="sourceLineNo">288</span><a name="line.288"></a>
<span class="sourceLineNo">289</span>                                        gr.drawImage(image, dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2, null);<a name="line.289"></a>
<span class="sourceLineNo">290</span><a name="line.290"></a>
<span class="sourceLineNo">291</span>                                } finally {<a name="line.291"></a>
<span class="sourceLineNo">292</span>                                        if (gr != null) {<a name="line.292"></a>
<span class="sourceLineNo">293</span>                                                gr.dispose();<a name="line.293"></a>
<span class="sourceLineNo">294</span>                                        }<a name="line.294"></a>
<span class="sourceLineNo">295</span>                                }<a name="line.295"></a>
<span class="sourceLineNo">296</span>                        }<a name="line.296"></a>
<span class="sourceLineNo">297</span><a name="line.297"></a>
<span class="sourceLineNo">298</span>                        g2.drawImage(resizedImage, 0, 0, null);<a name="line.298"></a>
<span class="sourceLineNo">299</span><a name="line.299"></a>
<span class="sourceLineNo">300</span>                        if (isFPSDisplayed()) {<a name="line.300"></a>
<span class="sourceLineNo">301</span><a name="line.301"></a>
<span class="sourceLineNo">302</span>                                String str = String.format("FPS: %.1f", webcam.getFPS());<a name="line.302"></a>
<span class="sourceLineNo">303</span><a name="line.303"></a>
<span class="sourceLineNo">304</span>                                int sx = 5;<a name="line.304"></a>
<span class="sourceLineNo">305</span>                                int sy = ph - 5;<a name="line.305"></a>
<span class="sourceLineNo">306</span><a name="line.306"></a>
<span class="sourceLineNo">307</span>                                g2.setFont(getFont());<a name="line.307"></a>
<span class="sourceLineNo">308</span>                                g2.setColor(Color.BLACK);<a name="line.308"></a>
<span class="sourceLineNo">309</span>                                g2.drawString(str, sx + 1, sy + 1);<a name="line.309"></a>
<span class="sourceLineNo">310</span>                                g2.setColor(Color.WHITE);<a name="line.310"></a>
<span class="sourceLineNo">311</span>                                g2.drawString(str, sx, sy);<a name="line.311"></a>
<span class="sourceLineNo">312</span>                        }<a name="line.312"></a>
<span class="sourceLineNo">313</span><a name="line.313"></a>
<span class="sourceLineNo">314</span>                        if (isImageSizeDisplayed()) {<a name="line.314"></a>
<span class="sourceLineNo">315</span><a name="line.315"></a>
<span class="sourceLineNo">316</span>                                String res = String.format("%d\u2A2F%d px", iw, ih);<a name="line.316"></a>
<span class="sourceLineNo">317</span><a name="line.317"></a>
<span class="sourceLineNo">318</span>                                FontMetrics metrics = g2.getFontMetrics(getFont());<a name="line.318"></a>
<span class="sourceLineNo">319</span>                                int sw = metrics.stringWidth(res);<a name="line.319"></a>
<span class="sourceLineNo">320</span>                                int sx = pw - sw - 5;<a name="line.320"></a>
<span class="sourceLineNo">321</span>                                int sy = ph - 5;<a name="line.321"></a>
<span class="sourceLineNo">322</span><a name="line.322"></a>
<span class="sourceLineNo">323</span>                                g2.setFont(getFont());<a name="line.323"></a>
<span class="sourceLineNo">324</span>                                g2.setColor(Color.BLACK);<a name="line.324"></a>
<span class="sourceLineNo">325</span>                                g2.drawString(res, sx + 1, sy + 1);<a name="line.325"></a>
<span class="sourceLineNo">326</span>                                g2.setColor(Color.WHITE);<a name="line.326"></a>
<span class="sourceLineNo">327</span>                                g2.drawString(res, sx, sy);<a name="line.327"></a>
<span class="sourceLineNo">328</span>                        }<a name="line.328"></a>
<span class="sourceLineNo">329</span><a name="line.329"></a>
<span class="sourceLineNo">330</span>                        if (isDisplayDebugInfo()) {<a name="line.330"></a>
<span class="sourceLineNo">331</span><a name="line.331"></a>
<span class="sourceLineNo">332</span>                                if (lastRepaintTime &lt; 0) {<a name="line.332"></a>
<span class="sourceLineNo">333</span>                                        lastRepaintTime = System.currentTimeMillis();<a name="line.333"></a>
<span class="sourceLineNo">334</span>                                } else {<a name="line.334"></a>
<span class="sourceLineNo">335</span><a name="line.335"></a>
<span class="sourceLineNo">336</span>                                        long now = System.currentTimeMillis();<a name="line.336"></a>
<span class="sourceLineNo">337</span>                                        String res = String.format("DEBUG: repaints per second: %.1f", (double) 1000 / (now - lastRepaintTime));<a name="line.337"></a>
<span class="sourceLineNo">338</span>                                        lastRepaintTime = now;<a name="line.338"></a>
<span class="sourceLineNo">339</span>                                        g2.setFont(getFont());<a name="line.339"></a>
<span class="sourceLineNo">340</span>                                        g2.setColor(Color.BLACK);<a name="line.340"></a>
<span class="sourceLineNo">341</span>                                        g2.drawString(res, 6, 16);<a name="line.341"></a>
<span class="sourceLineNo">342</span>                                        g2.setColor(Color.WHITE);<a name="line.342"></a>
<span class="sourceLineNo">343</span>                                        g2.drawString(res, 5, 15);<a name="line.343"></a>
<span class="sourceLineNo">344</span>                                }<a name="line.344"></a>
<span class="sourceLineNo">345</span>                        }<a name="line.345"></a>
<span class="sourceLineNo">346</span><a name="line.346"></a>
<span class="sourceLineNo">347</span>                        g2.setRenderingHint(KEY_ANTIALIASING, antialiasing);<a name="line.347"></a>
<span class="sourceLineNo">348</span>                        g2.setRenderingHint(KEY_RENDERING, rendering);<a name="line.348"></a>
<span class="sourceLineNo">349</span>                }<a name="line.349"></a>
<span class="sourceLineNo">350</span>        }<a name="line.350"></a>
<span class="sourceLineNo">351</span><a name="line.351"></a>
<span class="sourceLineNo">352</span>        private static final class PanelThreadFactory implements ThreadFactory {<a name="line.352"></a>
<span class="sourceLineNo">353</span><a name="line.353"></a>
<span class="sourceLineNo">354</span>                private static final AtomicInteger number = new AtomicInteger(0);<a name="line.354"></a>
<span class="sourceLineNo">355</span><a name="line.355"></a>
<span class="sourceLineNo">356</span>                @Override<a name="line.356"></a>
<span class="sourceLineNo">357</span>                public Thread newThread(Runnable r) {<a name="line.357"></a>
<span class="sourceLineNo">358</span>                        Thread t = new Thread(r, String.format("webcam-panel-scheduled-executor-%d", number.incrementAndGet()));<a name="line.358"></a>
<span class="sourceLineNo">359</span>                        t.setUncaughtExceptionHandler(WebcamExceptionHandler.getInstance());<a name="line.359"></a>
<span class="sourceLineNo">360</span>                        t.setDaemon(true);<a name="line.360"></a>
<span class="sourceLineNo">361</span>                        return t;<a name="line.361"></a>
<span class="sourceLineNo">362</span>                }<a name="line.362"></a>
<span class="sourceLineNo">363</span>        }<a name="line.363"></a>
<span class="sourceLineNo">364</span><a name="line.364"></a>
<span class="sourceLineNo">365</span>        /**<a name="line.365"></a>
<span class="sourceLineNo">366</span>         * This runnable will do nothing more than repaint panel.<a name="line.366"></a>
<span class="sourceLineNo">367</span>         */<a name="line.367"></a>
<span class="sourceLineNo">368</span>        private static final class SwingRepainter implements Runnable {<a name="line.368"></a>
<span class="sourceLineNo">369</span><a name="line.369"></a>
<span class="sourceLineNo">370</span>                private WebcamPanel panel = null;<a name="line.370"></a>
<span class="sourceLineNo">371</span><a name="line.371"></a>
<span class="sourceLineNo">372</span>                public SwingRepainter(WebcamPanel panel) {<a name="line.372"></a>
<span class="sourceLineNo">373</span>                        this.panel = panel;<a name="line.373"></a>
<span class="sourceLineNo">374</span>                }<a name="line.374"></a>
<span class="sourceLineNo">375</span><a name="line.375"></a>
<span class="sourceLineNo">376</span>                @Override<a name="line.376"></a>
<span class="sourceLineNo">377</span>                public void run() {<a name="line.377"></a>
<span class="sourceLineNo">378</span>                        panel.repaint();<a name="line.378"></a>
<span class="sourceLineNo">379</span>                }<a name="line.379"></a>
<span class="sourceLineNo">380</span>        }<a name="line.380"></a>
<span class="sourceLineNo">381</span><a name="line.381"></a>
<span class="sourceLineNo">382</span>        /**<a name="line.382"></a>
<span class="sourceLineNo">383</span>         * S/N used by Java to serialize beans.<a name="line.383"></a>
<span class="sourceLineNo">384</span>         */<a name="line.384"></a>
<span class="sourceLineNo">385</span>        private static final long serialVersionUID = 1L;<a name="line.385"></a>
<span class="sourceLineNo">386</span><a name="line.386"></a>
<span class="sourceLineNo">387</span>        /**<a name="line.387"></a>
<span class="sourceLineNo">388</span>         * Logger.<a name="line.388"></a>
<span class="sourceLineNo">389</span>         */<a name="line.389"></a>
<span class="sourceLineNo">390</span>        private static final Logger LOG = LoggerFactory.getLogger(WebcamPanel.class);<a name="line.390"></a>
<span class="sourceLineNo">391</span><a name="line.391"></a>
<span class="sourceLineNo">392</span>        /**<a name="line.392"></a>
<span class="sourceLineNo">393</span>         * Minimum FPS frequency.<a name="line.393"></a>
<span class="sourceLineNo">394</span>         */<a name="line.394"></a>
<span class="sourceLineNo">395</span>        public static final double MIN_FREQUENCY = 0.016; // 1 frame per minute<a name="line.395"></a>
<span class="sourceLineNo">396</span><a name="line.396"></a>
<span class="sourceLineNo">397</span>        /**<a name="line.397"></a>
<span class="sourceLineNo">398</span>         * Maximum FPS frequency.<a name="line.398"></a>
<span class="sourceLineNo">399</span>         */<a name="line.399"></a>
<span class="sourceLineNo">400</span>        private static final double MAX_FREQUENCY = 50; // 50 frames per second<a name="line.400"></a>
<span class="sourceLineNo">401</span><a name="line.401"></a>
<span class="sourceLineNo">402</span>        /**<a name="line.402"></a>
<span class="sourceLineNo">403</span>         * Thread factory used by execution service.<a name="line.403"></a>
<span class="sourceLineNo">404</span>         */<a name="line.404"></a>
<span class="sourceLineNo">405</span>        private static final ThreadFactory THREAD_FACTORY = new PanelThreadFactory();<a name="line.405"></a>
<span class="sourceLineNo">406</span><a name="line.406"></a>
<span class="sourceLineNo">407</span>        public static final Map&lt;RenderingHints.Key, Object&gt; DEFAULT_IMAGE_RENDERING_HINTS = new HashMap&lt;RenderingHints.Key, Object&gt;();<a name="line.407"></a>
<span class="sourceLineNo">408</span>        static {<a name="line.408"></a>
<span class="sourceLineNo">409</span>                DEFAULT_IMAGE_RENDERING_HINTS.put(KEY_INTERPOLATION, VALUE_INTERPOLATION_BILINEAR);<a name="line.409"></a>
<span class="sourceLineNo">410</span>                DEFAULT_IMAGE_RENDERING_HINTS.put(KEY_RENDERING, VALUE_RENDER_SPEED);<a name="line.410"></a>
<span class="sourceLineNo">411</span>                DEFAULT_IMAGE_RENDERING_HINTS.put(KEY_ANTIALIASING, VALUE_ANTIALIAS_ON);<a name="line.411"></a>
<span class="sourceLineNo">412</span>        }<a name="line.412"></a>
<span class="sourceLineNo">413</span><a name="line.413"></a>
<span class="sourceLineNo">414</span>        /**<a name="line.414"></a>
<span class="sourceLineNo">415</span>         * This runnable will do nothing more than repaint panel.<a name="line.415"></a>
<span class="sourceLineNo">416</span>         */<a name="line.416"></a>
<span class="sourceLineNo">417</span>        private final Runnable repaint = new SwingRepainter(this);<a name="line.417"></a>
<span class="sourceLineNo">418</span><a name="line.418"></a>
<span class="sourceLineNo">419</span>        /**<a name="line.419"></a>
<span class="sourceLineNo">420</span>         * Rendering hints to be used when painting image to be displayed.<a name="line.420"></a>
<span class="sourceLineNo">421</span>         */<a name="line.421"></a>
<span class="sourceLineNo">422</span>        private Map&lt;RenderingHints.Key, Object&gt; imageRenderingHints = new HashMap&lt;RenderingHints.Key, Object&gt;(DEFAULT_IMAGE_RENDERING_HINTS);<a name="line.422"></a>
<span class="sourceLineNo">423</span><a name="line.423"></a>
<span class="sourceLineNo">424</span>        /**<a name="line.424"></a>
<span class="sourceLineNo">425</span>         * Scheduled executor acting as timer.<a name="line.425"></a>
<span class="sourceLineNo">426</span>         */<a name="line.426"></a>
<span class="sourceLineNo">427</span>        private ScheduledExecutorService executor = null;<a name="line.427"></a>
<span class="sourceLineNo">428</span><a name="line.428"></a>
<span class="sourceLineNo">429</span>        /**<a name="line.429"></a>
<span class="sourceLineNo">430</span>         * Image updater reads images from camera and force panel to be repainted.<a name="line.430"></a>
<span class="sourceLineNo">431</span>         *<a name="line.431"></a>
<span class="sourceLineNo">432</span>         * @author Bartosz Firyn (SarXos)<a name="line.432"></a>
<span class="sourceLineNo">433</span>         */<a name="line.433"></a>
<span class="sourceLineNo">434</span>        private class ImageUpdater implements Runnable {<a name="line.434"></a>
<span class="sourceLineNo">435</span><a name="line.435"></a>
<span class="sourceLineNo">436</span>                /**<a name="line.436"></a>
<span class="sourceLineNo">437</span>                 * Repaint scheduler schedule panel updates.<a name="line.437"></a>
<span class="sourceLineNo">438</span>                 *<a name="line.438"></a>
<span class="sourceLineNo">439</span>                 * @author Bartosz Firyn (sarxos)<a name="line.439"></a>
<span class="sourceLineNo">440</span>                 */<a name="line.440"></a>
<span class="sourceLineNo">441</span>                private class RepaintScheduler extends Thread {<a name="line.441"></a>
<span class="sourceLineNo">442</span><a name="line.442"></a>
<span class="sourceLineNo">443</span>                        /**<a name="line.443"></a>
<span class="sourceLineNo">444</span>                         * Repaint scheduler schedule panel updates.<a name="line.444"></a>
<span class="sourceLineNo">445</span>                         */<a name="line.445"></a>
<span class="sourceLineNo">446</span>                        public RepaintScheduler() {<a name="line.446"></a>
<span class="sourceLineNo">447</span>                                setUncaughtExceptionHandler(WebcamExceptionHandler.getInstance());<a name="line.447"></a>
<span class="sourceLineNo">448</span>                                setName(String.format("repaint-scheduler-%s", webcam.getName()));<a name="line.448"></a>
<span class="sourceLineNo">449</span>                                setDaemon(true);<a name="line.449"></a>
<span class="sourceLineNo">450</span>                        }<a name="line.450"></a>
<span class="sourceLineNo">451</span><a name="line.451"></a>
<span class="sourceLineNo">452</span>                        @Override<a name="line.452"></a>
<span class="sourceLineNo">453</span>                        public void run() {<a name="line.453"></a>
<span class="sourceLineNo">454</span><a name="line.454"></a>
<span class="sourceLineNo">455</span>                                // do nothing when not running<a name="line.455"></a>
<span class="sourceLineNo">456</span>                                if (!running.get()) {<a name="line.456"></a>
<span class="sourceLineNo">457</span>                                        return;<a name="line.457"></a>
<span class="sourceLineNo">458</span>                                }<a name="line.458"></a>
<span class="sourceLineNo">459</span><a name="line.459"></a>
<span class="sourceLineNo">460</span>                                repaintPanel();<a name="line.460"></a>
<span class="sourceLineNo">461</span><a name="line.461"></a>
<span class="sourceLineNo">462</span>                                // loop when starting, to wait for images<a name="line.462"></a>
<span class="sourceLineNo">463</span>                                while (starting) {<a name="line.463"></a>
<span class="sourceLineNo">464</span>                                        try {<a name="line.464"></a>
<span class="sourceLineNo">465</span>                                                Thread.sleep(50);<a name="line.465"></a>
<span class="sourceLineNo">466</span>                                        } catch (InterruptedException e) {<a name="line.466"></a>
<span class="sourceLineNo">467</span>                                                throw new RuntimeException(e);<a name="line.467"></a>
<span class="sourceLineNo">468</span>                                        }<a name="line.468"></a>
<span class="sourceLineNo">469</span>                                }<a name="line.469"></a>
<span class="sourceLineNo">470</span><a name="line.470"></a>
<span class="sourceLineNo">471</span>                                // schedule update when webcam is open, otherwise schedule<a name="line.471"></a>
<span class="sourceLineNo">472</span>                                // second scheduler execution<a name="line.472"></a>
<span class="sourceLineNo">473</span><a name="line.473"></a>
<span class="sourceLineNo">474</span>                                try {<a name="line.474"></a>
<span class="sourceLineNo">475</span><a name="line.475"></a>
<span class="sourceLineNo">476</span>                                        // FPS limit means that panel rendering frequency is<a name="line.476"></a>
<span class="sourceLineNo">477</span>                                        // limited to the specific value and panel will not be<a name="line.477"></a>
<span class="sourceLineNo">478</span>                                        // rendered more often then specific value<a name="line.478"></a>
<span class="sourceLineNo">479</span><a name="line.479"></a>
<span class="sourceLineNo">480</span>                                        if (webcam.isOpen()) {<a name="line.480"></a>
<span class="sourceLineNo">481</span><a name="line.481"></a>
<span class="sourceLineNo">482</span>                                                // TODO: rename FPS value in panel to rendering<a name="line.482"></a>
<span class="sourceLineNo">483</span>                                                // frequency<a name="line.483"></a>
<span class="sourceLineNo">484</span><a name="line.484"></a>
<span class="sourceLineNo">485</span>                                                if (isFPSLimited()) {<a name="line.485"></a>
<span class="sourceLineNo">486</span>                                                        executor.scheduleAtFixedRate(updater, 0, (long) (1000 / frequency), TimeUnit.MILLISECONDS);<a name="line.486"></a>
<span class="sourceLineNo">487</span>                                                } else {<a name="line.487"></a>
<span class="sourceLineNo">488</span>                                                        executor.scheduleWithFixedDelay(updater, 100, 1, TimeUnit.MILLISECONDS);<a name="line.488"></a>
<span class="sourceLineNo">489</span>                                                }<a name="line.489"></a>
<span class="sourceLineNo">490</span>                                        } else {<a name="line.490"></a>
<span class="sourceLineNo">491</span>                                                executor.schedule(this, 500, TimeUnit.MILLISECONDS);<a name="line.491"></a>
<span class="sourceLineNo">492</span>                                        }<a name="line.492"></a>
<span class="sourceLineNo">493</span>                                } catch (RejectedExecutionException e) {<a name="line.493"></a>
<span class="sourceLineNo">494</span><a name="line.494"></a>
<span class="sourceLineNo">495</span>                                        // executor has been shut down, which means that someone<a name="line.495"></a>
<span class="sourceLineNo">496</span>                                        // stopped panel / webcam device before it was actually<a name="line.496"></a>
<span class="sourceLineNo">497</span>                                        // completely started (it was in "starting" timeframe)<a name="line.497"></a>
<span class="sourceLineNo">498</span><a name="line.498"></a>
<span class="sourceLineNo">499</span>                                        LOG.warn("Executor rejected paint update");<a name="line.499"></a>
<span class="sourceLineNo">500</span>                                        LOG.trace("Executor rejected paint update because of", e);<a name="line.500"></a>
<span class="sourceLineNo">501</span><a name="line.501"></a>
<span class="sourceLineNo">502</span>                                        return;<a name="line.502"></a>
<span class="sourceLineNo">503</span>                                }<a name="line.503"></a>
<span class="sourceLineNo">504</span>                        }<a name="line.504"></a>
<span class="sourceLineNo">505</span>                }<a name="line.505"></a>
<span class="sourceLineNo">506</span><a name="line.506"></a>
<span class="sourceLineNo">507</span>                /**<a name="line.507"></a>
<span class="sourceLineNo">508</span>                 * Update scheduler thread.<a name="line.508"></a>
<span class="sourceLineNo">509</span>                 */<a name="line.509"></a>
<span class="sourceLineNo">510</span>                private Thread scheduler = null;<a name="line.510"></a>
<span class="sourceLineNo">511</span><a name="line.511"></a>
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<span class="sourceLineNo">513</span>                 * Is repainter running?<a name="line.513"></a>
<span class="sourceLineNo">514</span>                 */<a name="line.514"></a>
<span class="sourceLineNo">515</span>                private AtomicBoolean running = new AtomicBoolean(false);<a name="line.515"></a>
<span class="sourceLineNo">516</span><a name="line.516"></a>
<span class="sourceLineNo">517</span>                /**<a name="line.517"></a>
<span class="sourceLineNo">518</span>                 * Start repainter. Can be invoked many times, but only first call will take effect.<a name="line.518"></a>
<span class="sourceLineNo">519</span>                 */<a name="line.519"></a>
<span class="sourceLineNo">520</span>                public void start() {<a name="line.520"></a>
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<span class="sourceLineNo">523</span>                                scheduler = new RepaintScheduler();<a name="line.523"></a>
<span class="sourceLineNo">524</span>                                scheduler.start();<a name="line.524"></a>
<span class="sourceLineNo">525</span>                        }<a name="line.525"></a>
<span class="sourceLineNo">526</span>                }<a name="line.526"></a>
<span class="sourceLineNo">527</span><a name="line.527"></a>
<span class="sourceLineNo">528</span>                /**<a name="line.528"></a>
<span class="sourceLineNo">529</span>                 * Stop repainter. Can be invoked many times, but only first call will take effect.<a name="line.529"></a>
<span class="sourceLineNo">530</span>                 *<a name="line.530"></a>
<span class="sourceLineNo">531</span>                 * @throws InterruptedException<a name="line.531"></a>
<span class="sourceLineNo">532</span>                 */<a name="line.532"></a>
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<span class="sourceLineNo">535</span>                                executor.shutdown();<a name="line.535"></a>
<span class="sourceLineNo">536</span>                                executor.awaitTermination(5000, TimeUnit.MILLISECONDS);<a name="line.536"></a>
<span class="sourceLineNo">537</span>                                scheduler.join();<a name="line.537"></a>
<span class="sourceLineNo">538</span>                        }<a name="line.538"></a>
<span class="sourceLineNo">539</span>                }<a name="line.539"></a>
<span class="sourceLineNo">540</span><a name="line.540"></a>
<span class="sourceLineNo">541</span>                @Override<a name="line.541"></a>
<span class="sourceLineNo">542</span>                public void run() {<a name="line.542"></a>
<span class="sourceLineNo">543</span>                        try {<a name="line.543"></a>
<span class="sourceLineNo">544</span>                                update();<a name="line.544"></a>
<span class="sourceLineNo">545</span>                        } catch (Throwable t) {<a name="line.545"></a>
<span class="sourceLineNo">546</span>                                errored = true;<a name="line.546"></a>
<span class="sourceLineNo">547</span>                                WebcamExceptionHandler.handle(t);<a name="line.547"></a>
<span class="sourceLineNo">548</span>                        }<a name="line.548"></a>
<span class="sourceLineNo">549</span>                }<a name="line.549"></a>
<span class="sourceLineNo">550</span><a name="line.550"></a>
<span class="sourceLineNo">551</span>                /**<a name="line.551"></a>
<span class="sourceLineNo">552</span>                 * Perform single panel area update (repaint newly obtained image).<a name="line.552"></a>
<span class="sourceLineNo">553</span>                 */<a name="line.553"></a>
<span class="sourceLineNo">554</span>                private void update() {<a name="line.554"></a>
<span class="sourceLineNo">555</span><a name="line.555"></a>
<span class="sourceLineNo">556</span>                        // do nothing when updater not running, when webcam is closed, or<a name="line.556"></a>
<span class="sourceLineNo">557</span>                        // panel repainting is paused<a name="line.557"></a>
<span class="sourceLineNo">558</span><a name="line.558"></a>
<span class="sourceLineNo">559</span>                        if (!running.get() || !webcam.isOpen() || paused) {<a name="line.559"></a>
<span class="sourceLineNo">560</span>                                return;<a name="line.560"></a>
<span class="sourceLineNo">561</span>                        }<a name="line.561"></a>
<span class="sourceLineNo">562</span><a name="line.562"></a>
<span class="sourceLineNo">563</span>                        // get new image from webcam<a name="line.563"></a>
<span class="sourceLineNo">564</span><a name="line.564"></a>
<span class="sourceLineNo">565</span>                        BufferedImage tmp = webcam.getImage();<a name="line.565"></a>
<span class="sourceLineNo">566</span>                        boolean repaint = true;<a name="line.566"></a>
<span class="sourceLineNo">567</span><a name="line.567"></a>
<span class="sourceLineNo">568</span>                        if (tmp != null) {<a name="line.568"></a>
<span class="sourceLineNo">569</span><a name="line.569"></a>
<span class="sourceLineNo">570</span>                                // ignore repaint if image is the same as before<a name="line.570"></a>
<span class="sourceLineNo">571</span>                                if (image == tmp) {<a name="line.571"></a>
<span class="sourceLineNo">572</span>                                        repaint = false;<a name="line.572"></a>
<span class="sourceLineNo">573</span>                                }<a name="line.573"></a>
<span class="sourceLineNo">574</span><a name="line.574"></a>
<span class="sourceLineNo">575</span>                                errored = false;<a name="line.575"></a>
<span class="sourceLineNo">576</span>                                image = tmp;<a name="line.576"></a>
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<span class="sourceLineNo">578</span><a name="line.578"></a>
<span class="sourceLineNo">579</span>                        if (repaint) {<a name="line.579"></a>
<span class="sourceLineNo">580</span>                                repaintPanel();<a name="line.580"></a>
<span class="sourceLineNo">581</span>                        }<a name="line.581"></a>
<span class="sourceLineNo">582</span>                }<a name="line.582"></a>
<span class="sourceLineNo">583</span>        }<a name="line.583"></a>
<span class="sourceLineNo">584</span><a name="line.584"></a>
<span class="sourceLineNo">585</span>        /**<a name="line.585"></a>
<span class="sourceLineNo">586</span>         * Resource bundle.<a name="line.586"></a>
<span class="sourceLineNo">587</span>         */<a name="line.587"></a>
<span class="sourceLineNo">588</span>        private ResourceBundle rb = null;<a name="line.588"></a>
<span class="sourceLineNo">589</span><a name="line.589"></a>
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<span class="sourceLineNo">591</span>         * The mode of how the image will be resized to fit into panel bounds. Default is<a name="line.591"></a>
<span class="sourceLineNo">592</span>         * {@link DrawMode#FIT}<a name="line.592"></a>
<span class="sourceLineNo">593</span>         *<a name="line.593"></a>
<span class="sourceLineNo">594</span>         * @see DrawMode<a name="line.594"></a>
<span class="sourceLineNo">595</span>         */<a name="line.595"></a>
<span class="sourceLineNo">596</span>        private DrawMode drawMode = DrawMode.FIT;<a name="line.596"></a>
<span class="sourceLineNo">597</span><a name="line.597"></a>
<span class="sourceLineNo">598</span>        /**<a name="line.598"></a>
<span class="sourceLineNo">599</span>         * Frames requesting frequency.<a name="line.599"></a>
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<span class="sourceLineNo">601</span>        private double frequency = 5; // FPS<a name="line.601"></a>
<span class="sourceLineNo">602</span><a name="line.602"></a>
<span class="sourceLineNo">603</span>        /**<a name="line.603"></a>
<span class="sourceLineNo">604</span>         * Is frames requesting frequency limited? If true, images will be fetched in configured time<a name="line.604"></a>
<span class="sourceLineNo">605</span>         * intervals. If false, images will be fetched as fast as camera can serve them.<a name="line.605"></a>
<span class="sourceLineNo">606</span>         */<a name="line.606"></a>
<span class="sourceLineNo">607</span>        private boolean frequencyLimit = false;<a name="line.607"></a>
<span class="sourceLineNo">608</span><a name="line.608"></a>
<span class="sourceLineNo">609</span>        /**<a name="line.609"></a>
<span class="sourceLineNo">610</span>         * Display FPS.<a name="line.610"></a>
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<span class="sourceLineNo">612</span>        private boolean frequencyDisplayed = false;<a name="line.612"></a>
<span class="sourceLineNo">613</span><a name="line.613"></a>
<span class="sourceLineNo">614</span>        /**<a name="line.614"></a>
<span class="sourceLineNo">615</span>         * Display image size.<a name="line.615"></a>
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<span class="sourceLineNo">618</span><a name="line.618"></a>
<span class="sourceLineNo">619</span>        /**<a name="line.619"></a>
<span class="sourceLineNo">620</span>         * Is antialiasing enabled (true by default).<a name="line.620"></a>
<span class="sourceLineNo">621</span>         */<a name="line.621"></a>
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<span class="sourceLineNo">623</span><a name="line.623"></a>
<span class="sourceLineNo">624</span>        /**<a name="line.624"></a>
<span class="sourceLineNo">625</span>         * Webcam object used to fetch images.<a name="line.625"></a>
<span class="sourceLineNo">626</span>         */<a name="line.626"></a>
<span class="sourceLineNo">627</span>        private final Webcam webcam;<a name="line.627"></a>
<span class="sourceLineNo">628</span><a name="line.628"></a>
<span class="sourceLineNo">629</span>        /**<a name="line.629"></a>
<span class="sourceLineNo">630</span>         * Repainter is used to fetch images from camera and force panel repaint when image is ready.<a name="line.630"></a>
<span class="sourceLineNo">631</span>         */<a name="line.631"></a>
<span class="sourceLineNo">632</span>        private final ImageUpdater updater;<a name="line.632"></a>
<span class="sourceLineNo">633</span><a name="line.633"></a>
<span class="sourceLineNo">634</span>        /**<a name="line.634"></a>
<span class="sourceLineNo">635</span>         * Image currently being displayed.<a name="line.635"></a>
<span class="sourceLineNo">636</span>         */<a name="line.636"></a>
<span class="sourceLineNo">637</span>        private BufferedImage image = null;<a name="line.637"></a>
<span class="sourceLineNo">638</span><a name="line.638"></a>
<span class="sourceLineNo">639</span>        /**<a name="line.639"></a>
<span class="sourceLineNo">640</span>         * Webcam is currently starting.<a name="line.640"></a>
<span class="sourceLineNo">641</span>         */<a name="line.641"></a>
<span class="sourceLineNo">642</span>        private volatile boolean starting = false;<a name="line.642"></a>
<span class="sourceLineNo">643</span><a name="line.643"></a>
<span class="sourceLineNo">644</span>        /**<a name="line.644"></a>
<span class="sourceLineNo">645</span>         * Painting is paused.<a name="line.645"></a>
<span class="sourceLineNo">646</span>         */<a name="line.646"></a>
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<span class="sourceLineNo">648</span><a name="line.648"></a>
<span class="sourceLineNo">649</span>        /**<a name="line.649"></a>
<span class="sourceLineNo">650</span>         * Is there any problem with webcam?<a name="line.650"></a>
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<span class="sourceLineNo">653</span><a name="line.653"></a>
<span class="sourceLineNo">654</span>        /**<a name="line.654"></a>
<span class="sourceLineNo">655</span>         * Webcam has been started.<a name="line.655"></a>
<span class="sourceLineNo">656</span>         */<a name="line.656"></a>
<span class="sourceLineNo">657</span>        private final AtomicBoolean started = new AtomicBoolean(false);<a name="line.657"></a>
<span class="sourceLineNo">658</span><a name="line.658"></a>
<span class="sourceLineNo">659</span>        /**<a name="line.659"></a>
<span class="sourceLineNo">660</span>         * Default painter.<a name="line.660"></a>
<span class="sourceLineNo">661</span>         */<a name="line.661"></a>
<span class="sourceLineNo">662</span>        private final Painter defaultPainter = new DefaultPainter();<a name="line.662"></a>
<span class="sourceLineNo">663</span><a name="line.663"></a>
<span class="sourceLineNo">664</span>        /**<a name="line.664"></a>
<span class="sourceLineNo">665</span>         * Painter used to draw image in panel.<a name="line.665"></a>
<span class="sourceLineNo">666</span>         *<a name="line.666"></a>
<span class="sourceLineNo">667</span>         * @see #setPainter(Painter)<a name="line.667"></a>
<span class="sourceLineNo">668</span>         * @see #getPainter()<a name="line.668"></a>
<span class="sourceLineNo">669</span>         */<a name="line.669"></a>
<span class="sourceLineNo">670</span>        private Painter painter = defaultPainter;<a name="line.670"></a>
<span class="sourceLineNo">671</span><a name="line.671"></a>
<span class="sourceLineNo">672</span>        /**<a name="line.672"></a>
<span class="sourceLineNo">673</span>         * Preferred panel size.<a name="line.673"></a>
<span class="sourceLineNo">674</span>         */<a name="line.674"></a>
<span class="sourceLineNo">675</span>        private Dimension defaultSize = null;<a name="line.675"></a>
<span class="sourceLineNo">676</span><a name="line.676"></a>
<span class="sourceLineNo">677</span>        /**<a name="line.677"></a>
<span class="sourceLineNo">678</span>         * If debug info should be displayed.<a name="line.678"></a>
<span class="sourceLineNo">679</span>         */<a name="line.679"></a>
<span class="sourceLineNo">680</span>        private boolean displayDebugInfo = false;<a name="line.680"></a>
<span class="sourceLineNo">681</span><a name="line.681"></a>
<span class="sourceLineNo">682</span>        /**<a name="line.682"></a>
<span class="sourceLineNo">683</span>         * Is image mirrored.<a name="line.683"></a>
<span class="sourceLineNo">684</span>         */<a name="line.684"></a>
<span class="sourceLineNo">685</span>        private boolean mirrored = false;<a name="line.685"></a>
<span class="sourceLineNo">686</span><a name="line.686"></a>
<span class="sourceLineNo">687</span>        /**<a name="line.687"></a>
<span class="sourceLineNo">688</span>         * Creates webcam panel and automatically start webcam.<a name="line.688"></a>
<span class="sourceLineNo">689</span>         *<a name="line.689"></a>
<span class="sourceLineNo">690</span>         * @param webcam the webcam to be used to fetch images<a name="line.690"></a>
<span class="sourceLineNo">691</span>         */<a name="line.691"></a>
<span class="sourceLineNo">692</span>        public WebcamPanel(Webcam webcam) {<a name="line.692"></a>
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<span class="sourceLineNo">695</span><a name="line.695"></a>
<span class="sourceLineNo">696</span>        /**<a name="line.696"></a>
<span class="sourceLineNo">697</span>         * Creates new webcam panel which display image from camera in you your Swing application.<a name="line.697"></a>
<span class="sourceLineNo">698</span>         *<a name="line.698"></a>
<span class="sourceLineNo">699</span>         * @param webcam the webcam to be used to fetch images<a name="line.699"></a>
<span class="sourceLineNo">700</span>         * @param start true if webcam shall be automatically started<a name="line.700"></a>
<span class="sourceLineNo">701</span>         */<a name="line.701"></a>
<span class="sourceLineNo">702</span>        public WebcamPanel(Webcam webcam, boolean start) {<a name="line.702"></a>
<span class="sourceLineNo">703</span>                this(webcam, null, start);<a name="line.703"></a>
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<span class="sourceLineNo">705</span><a name="line.705"></a>
<span class="sourceLineNo">706</span>        /**<a name="line.706"></a>
<span class="sourceLineNo">707</span>         * Creates new webcam panel which display image from camera in you your Swing application. If<a name="line.707"></a>
<span class="sourceLineNo">708</span>         * panel size argument is null, then image size will be used. If you would like to fill panel<a name="line.708"></a>
<span class="sourceLineNo">709</span>         * area with image even if its size is different, then you can use<a name="line.709"></a>
<span class="sourceLineNo">710</span>         * {@link WebcamPanel#setFillArea(boolean)} method to configure this.<a name="line.710"></a>
<span class="sourceLineNo">711</span>         *<a name="line.711"></a>
<span class="sourceLineNo">712</span>         * @param webcam the webcam to be used to fetch images<a name="line.712"></a>
<span class="sourceLineNo">713</span>         * @param size the size of panel<a name="line.713"></a>
<span class="sourceLineNo">714</span>         * @param start true if webcam shall be automatically started<a name="line.714"></a>
<span class="sourceLineNo">715</span>         * @see WebcamPanel#setFillArea(boolean)<a name="line.715"></a>
<span class="sourceLineNo">716</span>         */<a name="line.716"></a>
<span class="sourceLineNo">717</span>        public WebcamPanel(Webcam webcam, Dimension size, boolean start) {<a name="line.717"></a>
<span class="sourceLineNo">718</span><a name="line.718"></a>
<span class="sourceLineNo">719</span>                if (webcam == null) {<a name="line.719"></a>
<span class="sourceLineNo">720</span>                        throw new IllegalArgumentException(String.format("Webcam argument in %s constructor cannot be null!", getClass().getSimpleName()));<a name="line.720"></a>
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<span class="sourceLineNo">722</span><a name="line.722"></a>
<span class="sourceLineNo">723</span>                this.defaultSize = size;<a name="line.723"></a>
<span class="sourceLineNo">724</span>                this.webcam = webcam;<a name="line.724"></a>
<span class="sourceLineNo">725</span>                this.updater = new ImageUpdater();<a name="line.725"></a>
<span class="sourceLineNo">726</span>                this.rb = WebcamUtils.loadRB(WebcamPanel.class, getLocale());<a name="line.726"></a>
<span class="sourceLineNo">727</span><a name="line.727"></a>
<span class="sourceLineNo">728</span>                setDoubleBuffered(true);<a name="line.728"></a>
<span class="sourceLineNo">729</span><a name="line.729"></a>
<span class="sourceLineNo">730</span>                addPropertyChangeListener("locale", this);<a name="line.730"></a>
<span class="sourceLineNo">731</span><a name="line.731"></a>
<span class="sourceLineNo">732</span>                if (size == null) {<a name="line.732"></a>
<span class="sourceLineNo">733</span>                        Dimension r = webcam.getViewSize();<a name="line.733"></a>
<span class="sourceLineNo">734</span>                        if (r == null) {<a name="line.734"></a>
<span class="sourceLineNo">735</span>                                r = webcam.getViewSizes()[0];<a name="line.735"></a>
<span class="sourceLineNo">736</span>                        }<a name="line.736"></a>
<span class="sourceLineNo">737</span>                        setPreferredSize(r);<a name="line.737"></a>
<span class="sourceLineNo">738</span>                } else {<a name="line.738"></a>
<span class="sourceLineNo">739</span>                        setPreferredSize(size);<a name="line.739"></a>
<span class="sourceLineNo">740</span>                }<a name="line.740"></a>
<span class="sourceLineNo">741</span><a name="line.741"></a>
<span class="sourceLineNo">742</span>                if (start) {<a name="line.742"></a>
<span class="sourceLineNo">743</span>                        start();<a name="line.743"></a>
<span class="sourceLineNo">744</span>                }<a name="line.744"></a>
<span class="sourceLineNo">745</span>        }<a name="line.745"></a>
<span class="sourceLineNo">746</span><a name="line.746"></a>
<span class="sourceLineNo">747</span>        /**<a name="line.747"></a>
<span class="sourceLineNo">748</span>         * Set new painter. Painter is a class which pains image visible when<a name="line.748"></a>
<span class="sourceLineNo">749</span>         *<a name="line.749"></a>
<span class="sourceLineNo">750</span>         * @param painter the painter object to be set<a name="line.750"></a>
<span class="sourceLineNo">751</span>         */<a name="line.751"></a>
<span class="sourceLineNo">752</span>        public void setPainter(Painter painter) {<a name="line.752"></a>
<span class="sourceLineNo">753</span>                this.painter = painter;<a name="line.753"></a>
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<span class="sourceLineNo">755</span><a name="line.755"></a>
<span class="sourceLineNo">756</span>        /**<a name="line.756"></a>
<span class="sourceLineNo">757</span>         * Get painter used to draw image in webcam panel.<a name="line.757"></a>
<span class="sourceLineNo">758</span>         *<a name="line.758"></a>
<span class="sourceLineNo">759</span>         * @return Painter object<a name="line.759"></a>
<span class="sourceLineNo">760</span>         */<a name="line.760"></a>
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<span class="sourceLineNo">764</span><a name="line.764"></a>
<span class="sourceLineNo">765</span>        @Override<a name="line.765"></a>
<span class="sourceLineNo">766</span>        protected void paintComponent(Graphics g) {<a name="line.766"></a>
<span class="sourceLineNo">767</span><a name="line.767"></a>
<span class="sourceLineNo">768</span>                super.paintComponent(g);<a name="line.768"></a>
<span class="sourceLineNo">769</span><a name="line.769"></a>
<span class="sourceLineNo">770</span>                if (image == null) {<a name="line.770"></a>
<span class="sourceLineNo">771</span>                        painter.paintPanel(this, (Graphics2D) g);<a name="line.771"></a>
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<span class="sourceLineNo">777</span>        /**<a name="line.777"></a>
<span class="sourceLineNo">778</span>         * Open webcam and start rendering.<a name="line.778"></a>
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<span class="sourceLineNo">780</span>        public void start() {<a name="line.780"></a>
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<span class="sourceLineNo">818</span>                LOG.debug("Stopping panel rendering and closing attached webcam");<a name="line.818"></a>
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<span class="sourceLineNo">855</span>                LOG.debug("Pausing panel rendering");<a name="line.855"></a>
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<span class="sourceLineNo">869</span>                LOG.debug("Resuming panel rendering");<a name="line.869"></a>
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<span class="sourceLineNo">875</span>         * Is frequency limit enabled?<a name="line.875"></a>
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<span class="sourceLineNo">884</span>         * Enable or disable frequency limit. Frequency limit should be used for &lt;b&gt;all IP cameras<a name="line.884"></a>
<span class="sourceLineNo">885</span>         * working in pull mode&lt;/b&gt; (to save number of HTTP requests). If true, images will be fetched<a name="line.885"></a>
<span class="sourceLineNo">886</span>         * in configured time intervals. If false, images will be fetched as fast as camera can serve<a name="line.886"></a>
<span class="sourceLineNo">887</span>         * them.<a name="line.887"></a>
<span class="sourceLineNo">888</span>         *<a name="line.888"></a>
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<span class="sourceLineNo">896</span>         * Get rendering frequency in FPS (equivalent to Hz).<a name="line.896"></a>
<span class="sourceLineNo">897</span>         *<a name="line.897"></a>
<span class="sourceLineNo">898</span>         * @return Rendering frequency<a name="line.898"></a>
<span class="sourceLineNo">899</span>         */<a name="line.899"></a>
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<span class="sourceLineNo">905</span>         * Set rendering frequency (in Hz or FPS). Minimum frequency is 0.016 (1 frame per minute) and<a name="line.905"></a>
<span class="sourceLineNo">906</span>         * maximum is 25 (25 frames per second).<a name="line.906"></a>
<span class="sourceLineNo">907</span>         *<a name="line.907"></a>
<span class="sourceLineNo">908</span>         * @param fps the frequency<a name="line.908"></a>
<span class="sourceLineNo">909</span>         */<a name="line.909"></a>
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<span class="sourceLineNo">921</span>         * Is displaying of some debug information enabled.<a name="line.921"></a>
<span class="sourceLineNo">922</span>         *<a name="line.922"></a>
<span class="sourceLineNo">923</span>         * @return True if debug information are enabled, false otherwise<a name="line.923"></a>
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<span class="sourceLineNo">929</span>        /**<a name="line.929"></a>
<span class="sourceLineNo">930</span>         * Display some debug information on image surface.<a name="line.930"></a>
<span class="sourceLineNo">931</span>         *<a name="line.931"></a>
<span class="sourceLineNo">932</span>         * @param displayDebugInfo the value to control debug information<a name="line.932"></a>
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<span class="sourceLineNo">938</span>        /**<a name="line.938"></a>
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<span class="sourceLineNo">940</span>         * Default value returned is false.<a name="line.940"></a>
<span class="sourceLineNo">941</span>         *<a name="line.941"></a>
<span class="sourceLineNo">942</span>         * @return True if camera FPS is set to be displayed on panel surface<a name="line.942"></a>
<span class="sourceLineNo">943</span>         * @see #setFPSDisplayed(boolean)<a name="line.943"></a>
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<span class="sourceLineNo">950</span>         * This method is to control if camera FPS should be displayed on the webcam panel surface.<a name="line.950"></a>
<span class="sourceLineNo">951</span>         *<a name="line.951"></a>
<span class="sourceLineNo">952</span>         * @param displayed the value to control if camera FPS should be displayed<a name="line.952"></a>
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<span class="sourceLineNo">958</span>        /**<a name="line.958"></a>
<span class="sourceLineNo">959</span>         * This method will return true in case when panel is configured to display image size. The<a name="line.959"></a>
<span class="sourceLineNo">960</span>         * string will be printed in the right bottom corner of the panel surface.<a name="line.960"></a>
<span class="sourceLineNo">961</span>         *<a name="line.961"></a>
<span class="sourceLineNo">962</span>         * @return True in case if panel is configured to display image size<a name="line.962"></a>
<span class="sourceLineNo">963</span>         */<a name="line.963"></a>
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<span class="sourceLineNo">970</span>         *<a name="line.970"></a>
<span class="sourceLineNo">971</span>         * @param imageSizeDisplayed<a name="line.971"></a>
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<span class="sourceLineNo">976</span><a name="line.976"></a>
<span class="sourceLineNo">977</span>        /**<a name="line.977"></a>
<span class="sourceLineNo">978</span>         * Turn on/off antialiasing.<a name="line.978"></a>
<span class="sourceLineNo">979</span>         *<a name="line.979"></a>
<span class="sourceLineNo">980</span>         * @param antialiasing the true to enable, false to disable antialiasing<a name="line.980"></a>
<span class="sourceLineNo">981</span>         */<a name="line.981"></a>
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<span class="sourceLineNo">985</span><a name="line.985"></a>
<span class="sourceLineNo">986</span>        /**<a name="line.986"></a>
<span class="sourceLineNo">987</span>         * @return True is antialiasing is enabled, false otherwise<a name="line.987"></a>
<span class="sourceLineNo">988</span>         */<a name="line.988"></a>
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<span class="sourceLineNo">993</span>        /**<a name="line.993"></a>
<span class="sourceLineNo">994</span>         * Is webcam panel repainting starting.<a name="line.994"></a>
<span class="sourceLineNo">995</span>         *<a name="line.995"></a>
<span class="sourceLineNo">996</span>         * @return True if panel is starting<a name="line.996"></a>
<span class="sourceLineNo">997</span>         */<a name="line.997"></a>
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<span class="sourceLineNo">1001</span><a name="line.1001"></a>
<span class="sourceLineNo">1002</span>        /**<a name="line.1002"></a>
<span class="sourceLineNo">1003</span>         * Is webcam panel repainting started.<a name="line.1003"></a>
<span class="sourceLineNo">1004</span>         *<a name="line.1004"></a>
<span class="sourceLineNo">1005</span>         * @return True if panel repainting has been started<a name="line.1005"></a>
<span class="sourceLineNo">1006</span>         */<a name="line.1006"></a>
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<span class="sourceLineNo">1010</span><a name="line.1010"></a>
<span class="sourceLineNo">1011</span>        public boolean isFitArea() {<a name="line.1011"></a>
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<span class="sourceLineNo">1014</span><a name="line.1014"></a>
<span class="sourceLineNo">1015</span>        /**<a name="line.1015"></a>
<span class="sourceLineNo">1016</span>         * This method will change the mode of panel area painting so the image will be resized and will<a name="line.1016"></a>
<span class="sourceLineNo">1017</span>         * keep scale factor to fit into drawable panel bounds. When set to false, the mode will be<a name="line.1017"></a>
<span class="sourceLineNo">1018</span>         * reset to {@link DrawMode#NONE} so image will be drawn as it is.<a name="line.1018"></a>
<span class="sourceLineNo">1019</span>         *<a name="line.1019"></a>
<span class="sourceLineNo">1020</span>         * @param fitArea the fit area mode enabled or disabled<a name="line.1020"></a>
<span class="sourceLineNo">1021</span>         */<a name="line.1021"></a>
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<span class="sourceLineNo">1025</span><a name="line.1025"></a>
<span class="sourceLineNo">1026</span>        /**<a name="line.1026"></a>
<span class="sourceLineNo">1027</span>         * Image will be resized to fill panel area if true. If false then image will be rendered as it<a name="line.1027"></a>
<span class="sourceLineNo">1028</span>         * was obtained from webcam instance.<a name="line.1028"></a>
<span class="sourceLineNo">1029</span>         *<a name="line.1029"></a>
<span class="sourceLineNo">1030</span>         * @param fillArea shall image be resided to fill panel area<a name="line.1030"></a>
<span class="sourceLineNo">1031</span>         */<a name="line.1031"></a>
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<span class="sourceLineNo">1035</span><a name="line.1035"></a>
<span class="sourceLineNo">1036</span>        /**<a name="line.1036"></a>
<span class="sourceLineNo">1037</span>         * Get value of fill area setting. Image will be resized to fill panel area if true. If false<a name="line.1037"></a>
<span class="sourceLineNo">1038</span>         * then image will be rendered as it was obtained from webcam instance.<a name="line.1038"></a>
<span class="sourceLineNo">1039</span>         *<a name="line.1039"></a>
<span class="sourceLineNo">1040</span>         * @return True if image is being resized, false otherwise<a name="line.1040"></a>
<span class="sourceLineNo">1041</span>         */<a name="line.1041"></a>
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<span class="sourceLineNo">1045</span><a name="line.1045"></a>
<span class="sourceLineNo">1046</span>        /**<a name="line.1046"></a>
<span class="sourceLineNo">1047</span>         * Get default painter used to draw panel.<a name="line.1047"></a>
<span class="sourceLineNo">1048</span>         *<a name="line.1048"></a>
<span class="sourceLineNo">1049</span>         * @return Default painter<a name="line.1049"></a>
<span class="sourceLineNo">1050</span>         */<a name="line.1050"></a>
<span class="sourceLineNo">1051</span>        public Painter getDefaultPainter() {<a name="line.1051"></a>
<span class="sourceLineNo">1052</span>                return defaultPainter;<a name="line.1052"></a>
<span class="sourceLineNo">1053</span>        }<a name="line.1053"></a>
<span class="sourceLineNo">1054</span><a name="line.1054"></a>
<span class="sourceLineNo">1055</span>        @Override<a name="line.1055"></a>
<span class="sourceLineNo">1056</span>        public void propertyChange(PropertyChangeEvent evt) {<a name="line.1056"></a>
<span class="sourceLineNo">1057</span>                Locale lc = (Locale) evt.getNewValue();<a name="line.1057"></a>
<span class="sourceLineNo">1058</span>                if (lc != null) {<a name="line.1058"></a>
<span class="sourceLineNo">1059</span>                        rb = WebcamUtils.loadRB(WebcamPanel.class, lc);<a name="line.1059"></a>
<span class="sourceLineNo">1060</span>                }<a name="line.1060"></a>
<span class="sourceLineNo">1061</span>        }<a name="line.1061"></a>
<span class="sourceLineNo">1062</span><a name="line.1062"></a>
<span class="sourceLineNo">1063</span>        @Override<a name="line.1063"></a>
<span class="sourceLineNo">1064</span>        public void webcamOpen(WebcamEvent we) {<a name="line.1064"></a>
<span class="sourceLineNo">1065</span><a name="line.1065"></a>
<span class="sourceLineNo">1066</span>                // if default size has not been provided, then use the one from webcam<a name="line.1066"></a>
<span class="sourceLineNo">1067</span>                // device (this will be current webcam resolution)<a name="line.1067"></a>
<span class="sourceLineNo">1068</span><a name="line.1068"></a>
<span class="sourceLineNo">1069</span>                if (defaultSize == null) {<a name="line.1069"></a>
<span class="sourceLineNo">1070</span>                        setPreferredSize(webcam.getViewSize());<a name="line.1070"></a>
<span class="sourceLineNo">1071</span>                }<a name="line.1071"></a>
<span class="sourceLineNo">1072</span>        }<a name="line.1072"></a>
<span class="sourceLineNo">1073</span><a name="line.1073"></a>
<span class="sourceLineNo">1074</span>        @Override<a name="line.1074"></a>
<span class="sourceLineNo">1075</span>        public void webcamClosed(WebcamEvent we) {<a name="line.1075"></a>
<span class="sourceLineNo">1076</span>                stop();<a name="line.1076"></a>
<span class="sourceLineNo">1077</span>        }<a name="line.1077"></a>
<span class="sourceLineNo">1078</span><a name="line.1078"></a>
<span class="sourceLineNo">1079</span>        @Override<a name="line.1079"></a>
<span class="sourceLineNo">1080</span>        public void webcamDisposed(WebcamEvent we) {<a name="line.1080"></a>
<span class="sourceLineNo">1081</span>                stop();<a name="line.1081"></a>
<span class="sourceLineNo">1082</span>        }<a name="line.1082"></a>
<span class="sourceLineNo">1083</span><a name="line.1083"></a>
<span class="sourceLineNo">1084</span>        @Override<a name="line.1084"></a>
<span class="sourceLineNo">1085</span>        public void webcamImageObtained(WebcamEvent we) {<a name="line.1085"></a>
<span class="sourceLineNo">1086</span>                // do nothing<a name="line.1086"></a>
<span class="sourceLineNo">1087</span>        }<a name="line.1087"></a>
<span class="sourceLineNo">1088</span><a name="line.1088"></a>
<span class="sourceLineNo">1089</span>        /**<a name="line.1089"></a>
<span class="sourceLineNo">1090</span>         * This method returns true if image mirroring is enabled. The default value is false.<a name="line.1090"></a>
<span class="sourceLineNo">1091</span>         *<a name="line.1091"></a>
<span class="sourceLineNo">1092</span>         * @return True if image is mirrored, false otherwise<a name="line.1092"></a>
<span class="sourceLineNo">1093</span>         */<a name="line.1093"></a>
<span class="sourceLineNo">1094</span>        public boolean isMirrored() {<a name="line.1094"></a>
<span class="sourceLineNo">1095</span>                return mirrored;<a name="line.1095"></a>
<span class="sourceLineNo">1096</span>        }<a name="line.1096"></a>
<span class="sourceLineNo">1097</span><a name="line.1097"></a>
<span class="sourceLineNo">1098</span>        /**<a name="line.1098"></a>
<span class="sourceLineNo">1099</span>         * Decide whether or not the image from webcam painted on panel surface will be mirrored. The<a name="line.1099"></a>
<span class="sourceLineNo">1100</span>         * image from camera itself is not modified.<a name="line.1100"></a>
<span class="sourceLineNo">1101</span>         *<a name="line.1101"></a>
<span class="sourceLineNo">1102</span>         * @param mirrored the parameter to control if image should be mirrored<a name="line.1102"></a>
<span class="sourceLineNo">1103</span>         */<a name="line.1103"></a>
<span class="sourceLineNo">1104</span>        public void setMirrored(boolean mirrored) {<a name="line.1104"></a>
<span class="sourceLineNo">1105</span>                this.mirrored = mirrored;<a name="line.1105"></a>
<span class="sourceLineNo">1106</span>        }<a name="line.1106"></a>
<span class="sourceLineNo">1107</span>}<a name="line.1107"></a>




























































</pre>
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